An interoperable web portal for parallel geoprocessing of satellite image vegetation indices. - Hrachya V. Astsatryan; Andranik Hayrapetyan; Wahi Narsisian; A. Saribekyan; Shushanik Asmaryan; Armen Saghatelyan; Vahagn Muradyan; Yaniss Guigoz; Gregory Giuliani; Nicolas Ray (Earth Sci. Informatics, 2015)